12711920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 33747840

約数和(自身を除く): 21035920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 719, 884, 1040, 1105, 1360, 1438, 1768, 2210, 2876, 3536, 3595, 4420, 5752, 7190, 8840, 9347, 11504, 12223, 14380, 17680, 18694, 24446, 28760, 37388, 46735, 48892, 57520, 61115, 74776, 93470, 97784, 122230, 149552, 158899, 186940, 195568, 244460, 317798, 373880, 488920, 635596, 747760, 794495, 977840, 1271192, 1588990, 2542384, 3177980, 6355960, 12711920]

約数ペア:

[(1, 12711920), (2, 6355960), (4, 3177980), (5, 2542384), (8, 1588990), (10, 1271192), (13, 977840), (16, 794495), (17, 747760), (20, 635596), (26, 488920), (34, 373880), (40, 317798), (52, 244460), (65, 195568), (68, 186940), (80, 158899), (85, 149552), (104, 122230), (130, 97784), (136, 93470), (170, 74776), (208, 61115), (221, 57520), (260, 48892), (272, 46735), (340, 37388), (442, 28760), (520, 24446), (680, 18694), (719, 17680), (884, 14380), (1040, 12223), (1105, 11504), (1360, 9347), (1438, 8840), (1768, 7190), (2210, 5752), (2876, 4420), (3536, 3595)]